Add cluster support

README.md

@@ -74,6 +74,17 @@ $ wget https://raw.githubusercontent.com/Clivern/Lynx/main/nginx.conf \
 $ docker-compose up -d
 ```
 
+To run a 3 Nodes of `Lynx` behind nginx reverse proxy on port `80` on docker.
+
+```bash
+$ wget https://raw.githubusercontent.com/Clivern/Lynx/main/docker-compose-cluster.yml \
+    -O docker-compose.yml
+$ wget https://raw.githubusercontent.com/Clivern/Lynx/main/nginx-cluster.conf \
+    -O nginx.conf
+
+$ docker-compose up -d
+```
+
 Here is a [video demonstration](https://www.youtube.com/watch?v=YNkHfysr3-0)
 
 

docker-compose-cluster.yml

@@ -0,0 +1,94 @@
+version: '3.8'
+
+services:
+  app1:
+    image: clivern/lynx:0.11.10
+    environment:
+      APP_NAME: Lynx
+      APP_PORT: 4001
+      APP_SECRET: koPmu7TJCwD8mttV9vgWUeU7iuu/zTPOR3sX4UalM9KkYEVGPfyi0PeTVzu1TT8C
+      APP_HOST: localhost
+      APP_HTTP_SCHEMA: http
+      DB_USERNAME: root
+      DB_PASSWORD: D1q9f0C2&PEW
+      DB_HOSTNAME: db
+      DB_DATABASE: lynx
+      DB_PORT: 5432
+      DB_SSL: null
+      DB_CA_CERTFILE_PATH: null
+      MIX_ENV: prod
+    command: sh -c "/app/bin/migrate && /app/bin/server"
+    restart: unless-stopped
+    depends_on:
+      - db
+
+  app2:
+    image: clivern/lynx:0.11.10
+    environment:
+      APP_NAME: Lynx
+      APP_PORT: 4002
+      APP_SECRET: koPmu7TJCwD8mttV9vgWUeU7iuu/zTPOR3sX4UalM9KkYEVGPfyi0PeTVzu1TT8C
+      APP_HOST: localhost
+      APP_HTTP_SCHEMA: http
+      DB_USERNAME: root
+      DB_PASSWORD: D1q9f0C2&PEW
+      DB_HOSTNAME: db
+      DB_DATABASE: lynx
+      DB_PORT: 5432
+      DB_SSL: null
+      DB_CA_CERTFILE_PATH: null
+      MIX_ENV: prod
+    command: sh -c "/app/bin/migrate && /app/bin/server"
+    restart: unless-stopped
+    depends_on:
+      - db
+
+  app3:
+    image: clivern/lynx:0.11.10
+    environment:
+      APP_NAME: Lynx
+      APP_PORT: 4003
+      APP_SECRET: koPmu7TJCwD8mttV9vgWUeU7iuu/zTPOR3sX4UalM9KkYEVGPfyi0PeTVzu1TT8C
+      APP_HOST: localhost
+      APP_HTTP_SCHEMA: http
+      DB_USERNAME: root
+      DB_PASSWORD: D1q9f0C2&PEW
+      DB_HOSTNAME: db
+      DB_DATABASE: lynx
+      DB_PORT: 5432
+      DB_SSL: null
+      DB_CA_CERTFILE_PATH: null
+      MIX_ENV: prod
+    command: sh -c "/app/bin/migrate && /app/bin/server"
+    restart: unless-stopped
+    depends_on:
+      - db
+
+  db:
+    image: postgres:16.3
+    environment:
+      POSTGRES_DB: lynx
+      POSTGRES_USER: root
+      POSTGRES_PASSWORD: D1q9f0C2&PEW
+    restart: unless-stopped
+    volumes:
+      - db:/var/lib/postgresql/data
+
+  nginx:
+    image: nginx:1.25.4-alpine3.18
+    ports:
+      - '80:80'
+    healthcheck:
+      test: ["CMD", "curl", "--fail", "http://localhost/_ready"]
+      interval: 30s
+      retries: 3
+    restart: unless-stopped
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf
+      - nginx_logs:/var/log/nginx
+
+volumes:
+  db:
+    driver: local
+  nginx_logs:
+    driver: local

nginx-cluster.conf

@@ -0,0 +1,26 @@
+events { }
+
+http {
+    upstream app_servers {
+        # Default Algorithm is Round Robin
+        server app1:4001;
+        server app2:4002;
+        server app3:4003;
+    }
+
+    server {
+        listen 80;
+        server_name lynx.sh; # Replace with your actual domain name
+
+        location / {
+            proxy_pass http://app_servers;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header Host $http_host;
+            proxy_set_header X-NginX-Proxy true;
+
+            proxy_redirect off;
+        }
+    }
+}